1644780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 4677120

約数和(自身を除く): 3032340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 347, 395, 474, 694, 790, 948, 1041, 1185, 1388, 1580, 1735, 2082, 2370, 3470, 4164, 4740, 5205, 6940, 10410, 20820, 27413, 54826, 82239, 109652, 137065, 164478, 274130, 328956, 411195, 548260, 822390, 1644780]

約数ペア:

[(1, 1644780), (2, 822390), (3, 548260), (4, 411195), (5, 328956), (6, 274130), (10, 164478), (12, 137065), (15, 109652), (20, 82239), (30, 54826), (60, 27413), (79, 20820), (158, 10410), (237, 6940), (316, 5205), (347, 4740), (395, 4164), (474, 3470), (694, 2370), (790, 2082), (948, 1735), (1041, 1580), (1185, 1388)]